/*
 * This file is part of Kiama.
 *
 * Copyright (C) 2013-2014 Anthony M Sloane, Macquarie University.
 *
 * Kiama is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 *
 * Kiama is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
 * more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Kiama.  (See files COPYING and COPYING.LESSER.)  If not, see
 * <http://www.gnu.org/licenses/>.
 */

package org.kiama
package example.grammar

import org.kiama.util.Environments

/**
 * Symbol table module containing facilities for creating and
 * manipulating grammar symbol information.
 */
object SymbolTable extends Environments {

    import GrammarTree._
    import org.kiama.util.Entity

    /**
     * A non-terminal entity containing a reference to the production that
     * defines the non-terminal.
     */
    case class NonTerminal (rule : Rule) extends Entity

}
